A novel pathway for retinoic acid-induced differentiation of F9 cells that is distinct from receptor-mediatedTrans-activation

A novel pathway for retinoic acid-induced differentiation of F9 cells that is distinct from receptor-mediatedTrans-activation
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视黄酸诱导 F9 细胞分化的新途径,不同于受体介导的反式激活

DOI:
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发表时间:
1994
期刊:
In Vitro Cellular & Developmental Biology - Animal
影响因子:
--
通讯作者:
K. Yokoyama
K. Yokoyama
中科院分区:
--
文献类型:
--
作者:
I. Kitabayashi;R. Chiu;K. Umesono;R. Evans;G. Gachelin;K. Yokoyama

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维甲酸(Retinoic acid,RA)对脊椎动物的生长发育有显著的影响,并能诱导包括胚胎癌F9细胞在内的多种细胞系分化。一般认为RA的作用是由核受体介导的。然而,我们现在提供的证据表明,F9细胞可以分化反应RA没有反式激活的核受体。F9细胞的不可逆分化诱导18小时的RA暴露与随后的孵育中的RA的情况下。这种诱导分化没有被阻止后,抑制蛋白质合成和mRNA合成在18小时的治疗与RA,但内源性RA受体未能激活转录从其靶基因,包含受体结合序列。在RA诱导分化的承诺,至少有五套四个磷酸化蛋白质进行了蛋白质合成从头的情况下的变化。这些结果表明,RA的作用有一个新的途径,它不依赖于核受体介导的反式激活。
SummaryRetinoic acid (RA) has striking effects on vertebrate development and induces differentiation of several lines of cells including embryonal carcinoma F9 cells. It is generally accepted that the actions of RA are mediated by nuclear receptors for RA. However, we now provide evidence that F9 cells can differentiate in response to RA withouttrans-activation by nuclear receptors. Irreversible differentiation of F9 cells was induced by 18 h of exposure of RA with subsequent incubation in the absence of RA. This induction of differentiation was not blocked after inhibition of protein synthesis and mRNA synthesis during the 18-h treatment with RA, but the endogenous RA receptors failed to activate transcription from their target genes that contain the receptor-binding sequences. During the commitment of RA-induced differentiation, at least five sets of four phosphorylated proteins underwent changes in the absence of protein synthesis de novo. These results suggest that there is a novel pathway for the action of RA that is independent of nuclear receptor-mediatedtrans-activation.
鉴定编码 Endo B 鼠细胞角蛋白的基因及其在小鼠非上皮细胞中的甲基化、稳定失活状态。
DOI: 10.1101/gad.2.5.505
发表时间: 1988
影响因子: 10.5
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发表时间: 1990
期刊: The New biologist
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视黄酸对小鼠脑蛋白激酶-C 的体内抑制作用。
DOI: 10.1016/0304-3835(86)90052-2
发表时间: 1986
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小鼠组织纤溶酶原激活剂 mRNA 互补 DNA 的分子克隆及其在 F9 畸胎癌细胞分化过程中的表达。
DOI: --
发表时间: 1988
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影响因子: --
作者:
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通讯作者: Strickland,S